| Coordinates | 44.74516°N 14.40474°E |
|---|---|
| Country | Croatia |
| County | Primorje-Gorski Kotar |
| Town | Mali Lošinj |
| Area total | 14.3 km² |
| Population as of | 2021 |
| Population total | 21 |
| Time zone | CET (UTC+1) |
| Time zone (DST) | CEST (UTC+2) |
| Postal code | 51554 |
| Area code | 051 |
| Registration plate | RI |
Ustrine is a village on the Croatian island of Cres, in Primorje-Gorski Kotar. Administratively, it is part of the town of Mali Lošinj. As of 2021, it had a population of 21.[1] It is located 4 km south of Belej.